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ipilimumab A monoclonal antibody directed against cytotoxic T-lymphocyte-associated antigen-4 (CTLA4), an antigen that is expressed on activated T-cells and exhibits affinity for B7 co-stimulatory molecules. By binding CTLA4, ipilimumab enhances T-cell activation and blocks B7-1 and B7-2 T-cell co-stimulatory pathways. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Synonyms: | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) | anti-cytotoxic T-lymphocyte-associated antigen-4 monoclonal antibody MOAB CTLA-4 monoclonal antibody CTLA-4 | | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) | Abbreviation: | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) | MDX-CTLA-4 | | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) | Code name: | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) | MDX-010 | | ![](https://webarchive.library.unt.edu/eot2008/20090115072444im_/http://www.cancer.gov/images/spacer.gif) |
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